Home / 28,872.35-43,314.60-9,152.90

Finding the Fourth Proportional to 28,872.35, 43,314.60 and 9,152.90

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Solution

The fourth proportional to 28,872.35, 43,314.60 and 9,152.90 is: 13,731.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,872.35 : 43,314.60 = 9,152.90 : x
  2. Step 2: Convert to fraction form
    28,872.35/43,314.60 = 9,152.90/x
  3. Step 3: Cross multiply
    28,872.35x = 43,314.60 × 9,152.90
  4. Step 4: Simplify right side
    28,872.35x = 396,454,202.34
  5. Step 5: Solve for x
    x = 396,454,202.34/28,872.35
  6. Step 6: Final answer
    x = 13,731.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.